@book{Andrews_1999,
    doi = {10.1017/cbo9781107325937},
    url = {https://doi.org/10.1017%2Fcbo9781107325937},
    year = {1999},
    month = {jan},
    publisher = {Cambridge University Press},
    author = {George E. Andrews and Richard Askey and Ranjan Roy},
    title = {Special Functions}
}

@book{Andrews_1999, doi = {10.1017/cbo9781107325937}, url = {https://doi.org/10.1017%2Fcbo9781107325937}, year = {1999}, month = {jan}, publisher = {Cambridge University Press}, author = {George E. Andrews and Richard Askey and Ranjan Roy}, title = {Special Functions} }